CN209029095U - K sings system - Google Patents
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- CN209029095U CN209029095U CN201821450774.4U CN201821450774U CN209029095U CN 209029095 U CN209029095 U CN 209029095U CN 201821450774 U CN201821450774 U CN 201821450774U CN 209029095 U CN209029095 U CN 209029095U
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Abstract
The utility model discloses a kind of K to sing system, including speaker, earphone, microphone, Karaoke all-in-one machine and display screen, wherein, Karaoke all-in-one machine includes being integrated in the intracorporal wireless microphone receiver of shell, effect device, audio-frequency power amplifier, power circuit, program request mainboard, digital audio care, hard disk, Earphone Amplifier and controller and mode instruction receiving unit, the mode instruction that user is received on shell is arranged in mode instruction receiving unit, controller respectively with mode instruction receiving unit, Earphone Amplifier is connected with audio-frequency power amplifier, controller controls Earphone Amplifier and audio-frequency power amplifier according to mode instruction, so that K sings system in outer mode playback, it gently sings and is switched between mode and recording studio mode, not only facilitate installation, it can also be according to mode instruction come so that K sings system in outer mode playback , gently sing and switched between mode and recording studio mode, sufficiently meet the needs of different user and varying environment.
Description
Technical field
The utility model relates to amusement equipment technical field of playing Karaoka, in particular to a kind of K sings system.
Background technique
Development by so many years is sung in Karaoke, nowadays have become people meet make friends amusement life style it
One, and the common requirements for listening the demand of song to be also increasingly becoming family of practising singing of singing.Existing Karaoke amusement equipment are because of tradition
Manufacturing industry segmentation can only be occurred in the form of various single-items combination for many years, request a song set-top box, wireless microphone
A lot of equipment such as receiver, karaoke effect device, audio-frequency power amplifier, touch-screen display and numerous audios, view
Frequently, Network cable and power supply adaptor are dazzling, and if not professional, general user is difficult system in combination
Successfully, it is even more impossible to by system call interception to optimum experience state.The hardware complexity of system and the professional of software logic cause
Use operation inconvenience, be all to limit the universal major reason of family's Karaoke amusement equipment.
Utility model content
The application is to be made based on inventor to the research of many years of following problems and experimental verification:
Amusement equipment play Karaoka generally by speaker, requesting song set-top box, wireless microphone receiver, karaoke effect device, audio
The audio-video devices such as power amplifier, touch-screen display and various wire rods, power supply adaptor composition, then make with cooperation
One complicated audio-visual system is formed by certain connection type with the television set or video frequency projector in place.Due to equipment
Numerous, connection is complicated, while in order to protect equipment, it is also necessary to connect the power supply timing pipe for capableing of switching on and shutting down in a certain order
Device is managed, once otherwise audio-frequency power amplifier is switched at first or most shuts down slowly, the audio that other equipment are switched on or generate when shutting down
Signal impact will be output to speaker by audio-frequency power amplifier and issue huge impulsive sound, can even be burnt when serious
Ruin speaker or audio-frequency power amplifier.
Also, existing Karaoke amusement equipment are higher to installation space and environmental requirement, when installing at home, due to
The problems such as sound insulation of domestic environment is poor, the acoustic impacts that generate are to needing to rest or peace and quiet spaces when will lead to Karaoke amusement
Family other staff or neighbours, this also greatly limits the development of family's Karaoke amusement equipment.
The utility model is intended to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, this reality
It is to propose a kind of K song system with novel purpose, by by wireless microphone receiver, effect device, audio-frequency power amplifier, electricity
Source circuit, program request mainboard, digital audio care, Earphone Amplifier, controller and hard disk are integrated into shell to form Karaoke one
Machine, to facilitate installation, and can according to mode instruction come so that K sing system in outer mode playback, gently sing mode and recording studio
It is switched between mode, sufficiently meets the needs of different user and varying environment, bring great convenience to user.
In order to achieve the above objectives, the utility model proposes a kind of K sing system, including speaker, earphone, microphone, Karaoke
All-in-one machine and display screen, wherein the Karaoke all-in-one machine includes that shell, wireless microphone receiver, effect device, audio power are put
Big device, power circuit, program request mainboard, digital audio care, hard disk, Earphone Amplifier, mode instruction receiving unit and controller, it is described
The setting of mode instruction receiving unit on the housing to receive the mode instruction of user, the controller respectively with the mode
Command reception component, the Earphone Amplifier are connected with the audio-frequency power amplifier, the wireless microphone receiver, the effect
Fruit device, the audio-frequency power amplifier, the Earphone Amplifier, the controller, the power circuit, the program request mainboard,
The digital audio care and the hard disk are integrally disposed in the shell, wherein the audio-frequency power amplifier and the sound
Case is corresponding to be connected, and the Earphone Amplifier is corresponding with the earphone to be connected, and the wireless microphone receiver is corresponding with the microphone
It is connected, the controller controls the Earphone Amplifier and the audio-frequency power amplifier according to the mode instruction,
So that the K song system switches between mode and recording studio mode in outer mode playback, light sing.
According to the utility model proposes K sing system, by by wireless microphone receiver, effect device, Audio power amplifier
Device, Earphone Amplifier, controller, power circuit, program request mainboard, digital audio care and hard disk are integrated into shell to form Karaoke
All-in-one machine, and the power management scheme powered independently of each other and cleverly layout structure are used in all-in-one machine of playing Karaoka, so that
Electromagnetic interference substantially reduces, so that the Highgrade integration of Karaoke all-in-one machine is possibly realized, and then can dispatch from the factory
Preceding be adjusted optimally equipment makes K song system become only speaker, earphone, microphone, Karaoke all-in-one machine and display screen group
At a set of simple portable systems, connection is simple and convenient, be easy installation, while bringing great convenience to user, mention
High user experience.In addition, the mode instruction of user is received by mode instruction receiving unit, in this way according to mode instruction to ear
Machine amplifier and audio-frequency power amplifier be controlled such that K song system sung in outer mode playback, gently mode and recording studio mode it
Between switch over, the needs of so as to meet different user and varying environment, extend use scope, efficiently solve card
The problem of drawing OK amusement noise to disturb residents or influence household, the application of various modes also brings different Karaokes to experience to user
With the enjoyment of Music Appreciation, sufficiently meet the needs of user.
In addition, can also have the following additional technical features: according to the utility model K song system set forth above
Optionally, the Earphone Amplifier and the controller are integrated with the effect device.
Optionally, the mode instruction receiving unit includes mode control switch, and the mode control switch includes putting outside
Gear gently sings gear and earphone gear, wherein when the mode control switch be in it is described it is outer put gear when, the controller
Output control signals to the Earphone Amplifier and the audio-frequency power amplifier so that the earphone and the speaker simultaneously into
Row works normally, and the K song system is in the outer mode playback；When the mode control switch be in it is described gently sing gear when,
The controller outputs control signals to the Earphone Amplifier so that the earphone is worked normally, and output volume reduces
Signal and subwoofer shutoff signal are to the audio-frequency power amplifier so that the speaker carries out amount of bass work, K song system
System gently sings mode in described；When the mode control switch is in the earphone gear, the controller output control letter
Number to the Earphone Amplifier so that the earphone is worked normally, and exports shutdown signal to the audio-frequency power amplifier
So that the speaker stops working, the K song system is in the recording studio mode.
Optionally, the power circuit includes: the first AC/DC converter, and the first AC/DC converter will be for that will input
Alternating current be converted to the first direct current, to be supplied to the audio-frequency power amplifier；First DC/DC converter, described first
DC/DC converter is connected with the first AC/DC converter, and the first DC/DC converter is used for first direct current
The second direct current is converted to, to be respectively supplied to the wireless microphone receiver, the effect device and the digital audio care,
In, the voltage of second direct current is less than the voltage of first direct current；2nd DC/DC converter, the 2nd DC/DC
Converter is connected with the first AC/DC converter, and the 2nd DC/DC converter is for being converted to first direct current
Third direct current, to be respectively supplied to the program request mainboard and the hard disk, wherein the voltage of the third direct current is less than institute
State the voltage of the first direct current.
Optionally, the first DC/DC converter is identical as the 2nd DC/DC transformer configuration, and described second is straight
The voltage of galvanic electricity is equal with the voltage of the third direct current.
Optionally, the shell is made of all-metal, and the left and right sides of the shell is equipped with air grid.
Optionally, four regions are divided into the shell, wherein the wireless microphone receiver is arranged in the firstth area
Domain, in second area, the power circuit is arranged in third area for the effect device, program request mainboard, digital audio care and hard disk setting
Domain, the audio-frequency power amplifier are arranged in the fourth region.
Optionally, the first AC/DC converter uses independent packed by metal casing, and the independent metal shell
A shielding space is limited with the shell, to place the first DC/DC converter and the 2nd DC/DC transformation
Device.
Optionally, the space of the second area is divided into three layers, and first layer is used to place the digital audio care, the second layer
To place the effect device, third layer is to place the program request mainboard and the hard disk, wherein the second layer and described the
It is separated between three layers using metal plate, so that the metal plate and the shell form two independent shielding spaces up and down.
Optionally, K song system further includes controlling terminal, and the controlling terminal and the Karaoke all-in-one machine carry out
Wireless communication, mode instruction of the controlling terminal to receive user, and the mode instruction is sent to the Karaoke
Controller in all-in-one machine.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing Karaoke entertainment systems；
Fig. 2 is the block diagram that system is sung according to the K of the utility model one embodiment；
Fig. 3 is the block diagram according to the Karaoke all-in-one machine of the utility model one embodiment；
Fig. 4 is the block diagram according to the Karaoke all-in-one machine of the utility model another embodiment；
Fig. 5 is the front-end view according to the Karaoke all-in-one machine of the utility model one embodiment；
Fig. 6 is the Karaoke all-in-one machine internal power circuit electrical schematic according to the utility model one embodiment；
Fig. 7 is the structural schematic diagram according to the Karaoke all-in-one machine of the utility model one embodiment；
Fig. 8 is the outside schematic diagram according to the Karaoke all-in-one machine of the utility model one embodiment；
Fig. 9 is subregion schematic diagram in the shell according to the Karaoke all-in-one machine of the utility model one embodiment；
Figure 10 is the back plate plug receptacle schematic diagram according to the Karaoke all-in-one machine of the utility model one embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
As shown in Figure 1, existing Karaoke amusement equipment are generally by speaker, requesting song set-top box, wireless microphone receiver, OK a karaoke club
The audio-video devices such as OK effect device, audio-frequency power amplifier, touch-screen display and various wire rods, power supply adaptor group
At, then with the use of place television set or video frequency projector one complicated sound view formed by certain connection type
Display system.Since equipment is numerous, connection is complicated, all very high to installation space and environmental requirement, while being generated in galvanization
Electromagnetic interference, which will cause video pictures, interference reticulate pattern, and speaker also has many unexpected noises, layman
System debug to optimum state, and complicated switching on and shutting down program and debugging process can not also be influenced in actual use
Experience sense.Further, since tradition Karaoke speaker is taken into account Music Appreciation and sung and monitors two big contradiction functions, i.e., people are glad
It is the comfortable volume for needing to match with environment when appreciating music, and karaoke person is it is desirable that sufficiently strong microphone acoustic pressure
To hear the sound of oneself clearly to carry out control to singing effect, accuracy in pitch and emotion, this itself is conflicting, and
And general domestic environment sound insulation and bad, the acoustic impacts that when Karaoke amusement generates can interfere with needs and rest and quietly adjacent
Other members of residence or family, to greatly limit the development of family Karaoke amusement equipment.
In order to overcome these deficiencies, the utility model embodiment propose K sing system, by by wireless microphone receiver, effect
Fruit device, audio-frequency power amplifier, Earphone Amplifier, controller, power circuit, program request mainboard, digital audio care and hard disk are integrated into
To form Karaoke all-in-one machine in shell, and the power management scheme powered independently of each other and cleverly layout structure are used, made
It obtains electromagnetic interference to substantially reduce, so that the Highgrade integration of Karaoke all-in-one machine is possibly realized, and then can go out
Being adjusted optimally equipment before factory makes K song system become only speaker, earphone, microphone, Karaoke all-in-one machine and display screen
A set of simple portable systems of composition, connection is simple and convenient, is easy installation, while bringing great convenience to user,
Improve user experience.In addition, the mode instruction of user is received by mode instruction receiving unit, in this way according to mode instruction pair
Earphone Amplifier and audio-frequency power amplifier are controlled such that K song system sings mode and recording studio mode in outer mode playback, gently
Between switch over, the needs of so as to meet different user and varying environment, extend use scope, efficiently solve
The problem of Karaoke amusement noise disturbs residents or influences household, the application of various modes also brings different Karaoke bodies to user
The enjoyment with Music Appreciation is tested, the needs of user are sufficiently met.
In order to better understand the above technical scheme, the example of the utility model is more fully described below with reference to accompanying drawings
Property embodiment.Although showing the exemplary embodiment of the utility model in attached drawing, it being understood, however, that can be in a variety of manners
It realizes the utility model and should not be limited by the embodiments set forth herein.It is to be able to more on the contrary, providing these embodiments
Thoroughly understand the utility model, and the scope of the utility model can be fully disclosed to those skilled in the art.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Referring to figs. 2 to shown in Fig. 7, the K song system 6000 of the utility model embodiment include speaker 1000, earphone 2000,
Microphone 3000, Karaoke all-in-one machine 4000 and display screen 5000.Wherein, Karaoke all-in-one machine 4000 includes shell 10, wireless talking
Cylinder receiver 20, effect device 30, audio-frequency power amplifier 40, power circuit 50, program request mainboard 60, digital audio care 70, hard disk 80,
Earphone Amplifier 200, mode instruction receiving unit 300 and controller 400, mode instruction receiving unit 300 are arranged in shell 10
On to receive the mode instruction of user, controller 400 respectively with mode instruction receiving unit 300, Earphone Amplifier 200 and audio
Power amplifier 40 is connected, wireless microphone receiver 20, effect device 30, audio-frequency power amplifier 40, Earphone Amplifier 200, control
Device 400, power circuit 50, program request mainboard 60, digital audio care 70 and hard disk 80 processed are integrally disposed in shell 10, wherein sound
Frequency power amplifier 40 is corresponding with speaker 1000 to be connected, and Earphone Amplifier 200 is corresponding with earphone 2000 to be connected, and wireless microphone receives
Device 20 is corresponding with microphone 3000 to be connected, and controller 400 is according to mode instruction to Earphone Amplifier 200 and audio-frequency power amplifier 40
It is controlled, so that K sings system and switches between mode and recording studio mode in outer mode playback, light sing.
It, can also be with it is understood that earphone 2000 can be wireless headset in some embodiments of the utility model
It is wired earphone, wherein when earphone 2000 is wireless headset, wireless signal is passed between Earphone Amplifier 200 and wireless headset
It is defeated, it is not necessarily to connecting line, when earphone 2000 is wired earphone, Earphone Amplifier 200 passes through earpiece holes on shell and wired ear
Machine is connected, and realizes signal transmission.Similarly, microphone 3000 is also possible to cable microphone, then cable microphone is directly and shell
On microphone interface be connected, no setting is required in shell wireless microphone receiver；Speaker 1000 is also possible to wireless sound box or wireless
Speaker, when speaker 1000 is wireless sound box, wireless signal transmission between audio-frequency power amplifier 40 and wireless sound box, without connecting
Wiring, when speaker 1000 is wired speaker, audio-frequency power amplifier 40 passes through the audio interface and wired speaker phase on shell
Signal transmission is realized in connection.
One embodiment according to the present utility model, as shown in figure 4, Earphone Amplifier 200 and controller 400 can be with effects
Fruit device 30 integrates.
That is, Earphone Amplifier 200 and controller 400 are integrated in the digital processing mainboard of karaoke effect device
On, to realize integrated with effect device 30.
Specifically, as an example, mode instruction receiving unit 300 may include mode control switch 3001, mode control
System switch 3001 includes putting gear outside, gently singing gear and earphone gear, as shown in Figure 5.Wherein, at mode control switch 3001
When putting gear outside, controller 400 outputs control signals to Earphone Amplifier 200 and audio-frequency power amplifier 40, so that earphone
2000 and speaker 1000 worked normally simultaneously, K song system be in outer mode playback, in other words, when user needs normal appreciation sound
When happy or performance, mode control switch 3001 can be pushed to lower section, such switch state order, which is sent into, is located at karaoke effect plate
On system MCU, that is, controller 400, controller 400 normally gives output signal to Earphone Amplifier 200 and Audio power amplifier
Device 40, at this moment, earphone 2000 and speaker 1000 can hear normal volume simultaneously, and singing or appreciate effect is also that system is cut automatically
The effect mixed up in advance by outer mode playback is changed to, the scene that can generate concert is felt；When mode control switch 3001 is in light
When singing gear, controller 400 outputs control signals to Earphone Amplifier 200 so that earphone 2000 is worked normally, and is exported
Volume-reducing signal and subwoofer shutoff signal are to audio-frequency power amplifier 40 so that speaker 1000 carries out amount of bass work, K song
System is in and gently sings mode, in other words, when user need gently sing music or performance are appreciated under mode when, can be by mode control switch
3001 push centre, and the system MCU, that is, controller 400 being located on karaoke effect plate, OK a karaoke club are sent into such switch state order
MCU in OK effects board normally gives output signal to Earphone Amplifier 200, while will give the defeated of audio-frequency power amplifier 40
Signal does reasonable decaying out, and cuts off subwoofer output signal, so that outer playback box volume is automatically turned down to very soft sense
In feel, singing or appreciate effect is also that system automatically switches to the effect mixed up in advance by mode is gently sung, eliminates people and appreciates sound
Contradiction between happy and karaoke person；When mode control switch 3001 is in earphone gear, the output control of controller 400
Signal exports shutdown signal to audio-frequency power amplifier 40 to Earphone Amplifier 200 so that earphone 2000 is worked normally
So that speaker 1000 stops working, K song system is in recording studio mode, in other words, when user needs to appreciate under pure headset mode
When music or performance, mode control switch 3001 can be pushed to top, such switch state order, which is sent into, is located at karaoke effect
System MCU, that is, controller 400 on plate, the MCU on karaoke effect plate normally give output signal to Earphone Amplifier 200,
The output signal for giving audio-frequency power amplifier 40 is cut off simultaneously, and cuts off subwoofer output signal, sings or appreciate effect
And system automatically switches to the effect mixed up in advance by headset mode, realizes the effect of recording studio, will not disturb residents completely.
Therefore, the utility model embodiment K song system in addition to include Karaoke all-in-one machine, speaker, microphone, display screen it
Outside, monitoring headpone system is also added comprising high-fidelity headphone amplifier and high-quality music appreciate earphone, and pass through one
Simple mechanical switch is user-friendly, mode selection command feeding machine is controlled, big volume is listened can when singing song
With sound of raising one's voice to its utmost outside speaker, small volume, which is listened, to be opened headphone monitor while forcing down speaker volume automatically to suitable acoustic pressure when singing song, is practiced
Only retaining earphone when song or voice contact has sound, and automatic turning-off sound box sound only has on the singer oneself of earphone or wears
Other personnel of earphone can just experience the Karaoke entertainment effect of performance and appreciation, insurmountable family before solving
Karaoke amusement noise disturb residents or influence household life learn the problem of, expand application range.
Specifically, mode control switch can be pushed to lower section, system when user needs normal appreciation music or sings
Into outer mode playback, sound is released by speaker, and singing or appreciate effect is also the effect that system is mixed up in advance by outer mode playback, is put outside
If user connects earphone under mode, normal sound can also be heard from earphone, thus there is concert scene feeling；When
User needs when appreciating music under gently singing mode or singing, and mode control switch can be pushed to centre, and system enters puts+ear outside
Machine mode gently sings mode, and sound is mainly released by earphone, outer playback box volume automatically turned down to very it is soft sensuously, it is complete
The dialogue that will not influence Field Force entirely is exchanged with other activities are done, and singing or appreciate effect is also that system is automatically switched to by light
The effect that mode mixes up in advance is sung, is gently sung under mode if user connects earphone, normal sound can also be heard from earphone, it is complete
The experience sense for singing and appreciating music is not influenced entirely, and the soft background sound of outer playback box builds one kind to performance appreciator and wants to sing sky
Between atmosphere, gently sing system under mode subwoofer output will be automatically switched off；When user needs only to appreciate music with earphone or drills
When singing, mode control switch can be pushed to top, system enters the recording studio mode of self-recreation, and sound is released by earphone, drilled
Singing or appreciate effect is also that system automatically switches to the effect mixed up in advance by headset mode, under recording studio mode, system it is all
Speaker will be automatically switched off, and not disturbed residents completely, and this mode is most suitable for absolute music of practising singing and appreciate.
Also, as shown in Figure 6 and Figure 7, power circuit 50 includes: the first AC/DC converter 500, the first DC/DC converter
501 and the 2nd DC/DC converter 502.The friendship for the alternating current such as 220V/50Hz that first AC/DC converter 500 is used to input
Stream alternating current is converted to the first direct current, to be supplied to audio-frequency power amplifier 40；First DC/DC converter 501 and the first AC/DC
Converter 500 is connected, and the first DC/DC converter 501 is used to the first direct current being converted to the second direct current, to be respectively supplied to
Wireless microphone receiver 20, effect device 30 and digital audio care 70, wherein electricity of the voltage of the second direct current less than the first direct current
Pressure；2nd DC/DC converter 502 is connected with the first AC/DC converter 500, and the 2nd DC/DC converter 502 is used for straight by first
Galvanic electricity is converted to third direct current, to be respectively supplied to program request mainboard 60 and hard disk 80, wherein the voltage of third direct current is less than
The voltage of first direct current.
That is, Karaoke all-in-one machine is integrally disposed in shell 10 using the power source design powered independently of each other
Audio-frequency power amplifier 40, karaoke effect device 30, wireless microphone receiver 20, such as VOD (VideoOn of program request mainboard 60
Demand, video on demand) system board, movie and video programs song storage hard disk 80 and these functional hardware modules of digital audio care 70 need
Want respective DC power-supply circuit.
Wherein, audio-frequency power amplifier needs the first powered by direct current, such as the high efficiency DC power supply of 36V/10A or more
Power supply；Karaoke effect device, wireless microphone receiver and digital audio care need the second powered by direct current, such as independent 12V/3A
High efficiency DC power supply power supply；VOD system mainboard, movie and video programs song storage hard disk need third powered by direct current, such as
The high efficiency DC power supply of independent 12V/23A is powered.
Using above-mentioned independently-powered power source design, circuit is separated, making will not be because electric power loop be mixed between each functional module
Disorderly interfere and deteriorating process audio-video quality, make it possible play Karaoka all-in-one machine Highgrade integration.
As an example, the first AC/DC converter 500 can be provided with the 36V/15A high efficiency of independent metal shell
DC power supply, the first DC/DC converter 501 and the 2nd DC/DC converter 502 can provide two blocks of full isolated DC conversion electricity
36V direct current can be converted into the 12V DC electricity completely isolated with input terminal, to realize all-in-one machine three zones by source
The autonomous power supply system of module.
One embodiment according to the present utility model, the first DC/DC converter 501 and 502 structure of the 2nd DC/DC converter
It is identical, and the voltage of the second direct current is equal with the voltage of third direct current, such as is 12V.
Specifically, the voltage of first direct current is 36V, the voltage of second direct current and the third direct current
Voltage be 12V.
In order to further integrate, in one embodiment of the utility model, as shown in fig. 7, the control panel 301 of effect device
It is also integrated with output level control panel 302, i.e., the two is realized using one piece of circuit board.
Specifically, as an example, power circuit part occupied space can be 1/3 left side in entire enclosure interior space
The right side is preferably radiated and power supply anti-jamming effectiveness to realize in this way, is made as shown in figure 8, all-metal can be used in shell 10, and
The left and right sides of shell is equipped with air grid 100.
Wherein, all-metal can add aluminium for iron.
That is, shell uses full metal jacket, preferable effectiveness can be obtained, and pass through left and right two
Air grid is arranged in side, realizes cross-ventilation, reaches preferable heat dissipation effect.
In one embodiment of the utility model, in conjunction with shown in Fig. 7 and Fig. 9, four regions are divided into shell 10,
In, wireless microphone receiver 20 is arranged in first area 101, and effect device 30, program request mainboard 60, digital audio care 70 and hard disk 80 are set
It sets in second area 102, the setting of power circuit 50 is arranged in third region 103, audio-frequency power amplifier 40 in the fourth region
104。
Wherein, as shown in fig. 7, the first AC/DC converter 500 uses independent packed by metal casing, and independent metal
Shell and shell limit a shielding space, to place the first DC/DC converter 501 and the 2nd DC/DC converter 502.
That is, having independent metal shell and providing the first AC/DC converter of 36V/15A high efficiency DC power supply
500 are placed in the all-in-one machine left side, cross one close to full-shield space, to place two pieces of full isolation with all-in-one machine machine shell
DC conversion power i.e. the first DC/DC converter 501 and the 2nd DC/DC converter 502 ensures that the first DC/DC becomes in this way
Parallel operation 501 and the 2nd DC/DC converter 502 are minimum to the high frequency electromagnetic radiation interference of complete machine.
As shown in fig. 7, audio-frequency power amplifier 40 is placed on the right of machine, the setting of wireless microphone receiver 20 is on a machine left side
Rear, such microphone are also just preferably minimized with the interference of power amplifier high frequency electromagnetic radiation, reduce the amplitude that power amplifier exports useless harmonic wave.
Wherein, the air grid 100 on the left of the side face machine of power circuit 50, the other side of power circuit 50 and sound
Fan 90, the ventilation on the right side of the other side face machine of audio-frequency power amplifier 40 are set between the side of frequency power amplifier 40
Grid 100, it is hereby achieved that preferable heat dissipation effect.
One embodiment according to the present utility model, as shown in fig. 7, the space of second area 102 is divided into three layers, first layer
To place digital audio care 70, the second layer to place effect device 30, third layer to place program request mainboard 60 and hard disk 80,
In, it is separated between the second layer and the third layer using metal plate 200, so that metal plate 200 and shell are formed up and down
Two independent shielding spaces.
In other words, program request mainboard 60 and hard disk 80 are installed on machine back lower place (not shown), digital effecter of playing Karaoka
30 are installed on machine back upper place, have piece of metal plate such as iron plate to separate in-between, the iron plate and shell upper and lower plates and after
Plate forms two independent shielding spaces up and down, makes program request mainboard 60, hard disk 80 and Karaoke digital effecter 30 mutually electricity
Magnetic disturbance is reduced to minimum.
As an example, as shown in Figure 10, all audio signal plug receptacles, vision signal plug receptacle, network plug receptacle
It is all disposed within machine back plate, and is VOD system mainboard, hard disk, Karaoke digital effecter, wireless microphone receiver etc.
The load plug receptacle of component is directly sent out, and harassing for outer signal mouth is minimized inside machine between functional component each in this way,
It avoids interfering.
In conclusion the embodiments of the present invention are by wireless microphone receiver, effect device, audio-frequency power amplifier, ear
Machine amplifier, controller, power circuit, program request mainboard, digital audio care and hard disk are integrated together to form Karaoke all-in-one machine,
And internal signal wire is connected using reasonable wire laying mode and the intracorporal component of shell is using cleverly layout structure and phase
Mutually independently-powered power management scheme, and being adjusted optimally equipment before factory makes K song system become only to touch
A set of simple portable systems of display screen, microphone, Karaoke all-in-one machine and speaker, earphone composition, connection is simple and convenient,
General user can easily install and use system under instruction for mounting guidance, bring great advantage to the user.
In one embodiment of the utility model, above-mentioned K song system further includes controlling terminal, controlling terminal and OK a karaoke club
OK all-in-one machine carries out wireless communication, mode instruction of the controlling terminal to receive user, and mode instruction is sent to Karaoke
Controller in all-in-one machine brings convenience to user so as to the operating mode of long distance wireless switching K song system.
Therefore, system is sung according to the K of the utility model embodiment, by by wireless microphone receiver, effect device, audio function
Rate amplifier, Earphone Amplifier, controller, power circuit, program request mainboard, digital audio care and hard disk are integrated into shell to form
Karaoke all-in-one machine, and the power management scheme powered independently of each other and cleverly layout knot are used in all-in-one machine of playing Karaoka
Structure, so that electromagnetic interference substantially reduces, so that the Highgrade integration of Karaoke all-in-one machine is possibly realized, and then can
Being adjusted optimally equipment before factory makes K song system become only speaker, earphone, microphone, Karaoke all-in-one machine and show
A set of simple portable systems of display screen composition, connection is simple and convenient, is easy installation, brings great convenience to user same
When, improve user experience.In addition, receiving the mode instruction of user by mode instruction receiving unit, referred in this way according to mode
It enables and K song system, which sings mode and recording studio in outer mode playback, gently, to be controlled such that Earphone Amplifier and audio-frequency power amplifier
It is switched between mode, the needs of so as to meet different user and varying environment, extends use scope, effectively solve
The problem of Karaoke amusement noise of having determined disturbs residents or influences household, the application of various modes also brings different OK a karaoke clubs to user
The enjoyment of OK experience and Music Appreciation, sufficiently meets the needs of user.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating, which should not be construed as, must be directed to identical embodiment or example.Moreover, description specific features, structure, material or
Feature can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art
Different embodiments or examples described in this specification can be engaged and be combined by member.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of K sings system, which is characterized in that including speaker, earphone, microphone, Karaoke all-in-one machine and display screen, wherein institute
Stating Karaoke all-in-one machine includes shell, wireless microphone receiver, effect device, audio-frequency power amplifier, power circuit, program request master
Plate, digital audio care, hard disk, Earphone Amplifier, mode instruction receiving unit and controller, the mode instruction receiving unit setting
On the housing to receive the mode instruction of user, the controller respectively with the mode instruction receiving unit, the ear
Machine amplifier is connected with the audio-frequency power amplifier, and the wireless microphone receiver, the effect device, the audio power are put
Big device, the Earphone Amplifier, the controller, the power circuit, the program request mainboard, the digital audio care and described hard
Disk is integrally disposed in the shell, wherein the audio-frequency power amplifier is corresponding with the speaker to be connected, and the earphone is put
Big device is corresponding with the earphone to be connected, and the wireless microphone receiver is corresponding with the microphone to be connected, and the controller is according to institute
It states mode instruction to control the Earphone Amplifier and the audio-frequency power amplifier, so that K song system is put outside
Mode, light sing switch between mode and recording studio mode.
2. K as described in claim 1 sings system, which is characterized in that the Earphone Amplifier and the controller and the effect
Fruit device integrates.
3. K as claimed in claim 1 or 2 sings system, which is characterized in that the mode instruction receiving unit includes scheme control
Switch, the mode control switch include putting gear outside, gently singing gear and earphone gear, wherein
When the mode control switch be in it is described it is outer put gear when, the controller outputs control signals to the earphone amplification
Device and the audio-frequency power amplifier, so that the earphone and the speaker are worked normally simultaneously, the K song system is in
The outer mode playback；
When the mode control switch be in it is described gently sing gear when, the controller outputs control signals to earphone amplification
Device is so that the earphone is worked normally, and output volume reduces signal and subwoofer shutoff signal to the audio power is put
So that the speaker carries out amount of bass work, the K song system is in described and gently sings mode big device；
When the mode control switch is in the earphone gear, the controller outputs control signals to the earphone amplification
Device is so that the earphone is worked normally, and exports shutdown signal to the audio-frequency power amplifier so that the speaker stops
Work, the K song system are in the recording studio mode.
4. K as claimed in claim 2 sings system, which is characterized in that the power circuit includes:
First AC/DC converter, the first AC/DC converter are used to the alternating current of input being converted to the first direct current, with
It is supplied to the audio-frequency power amplifier；
First DC/DC converter, the first DC/DC converter are connected with the first AC/DC converter, the first DC/
DC converter is used to first direct current being converted to the second direct current, be respectively supplied to the wireless microphone receiver,
The effect device and the digital audio care, wherein the voltage of second direct current is less than the voltage of first direct current；
2nd DC/DC converter, the 2nd DC/DC converter are connected with the first AC/DC converter, the 2nd DC/
DC converter is used to first direct current being converted to third direct current, to be respectively supplied to the program request mainboard and described hard
Disk, wherein the voltage of the third direct current is less than the voltage of first direct current.
5. K as claimed in claim 4 sings system, which is characterized in that the first DC/DC converter and the 2nd DC/DC
Transformer configuration is identical, and the voltage of second direct current is equal with the voltage of the third direct current.
6. K as described in claim 1 sings system, which is characterized in that the shell is made of all-metal, and the shell
The left and right sides is equipped with air grid.
7. K as claimed in claim 4 sings system, which is characterized in that be divided into four regions in the shell, wherein described
The setting of wireless microphone receiver is arranged in first area, the effect device, program request mainboard, digital audio care and hard disk in the secondth area
Domain, in third region, the audio-frequency power amplifier is arranged in the fourth region for the power circuit setting.
8. K as claimed in claim 7 sings system, which is characterized in that the first AC/DC converter is using outside independent metal
Shell encapsulation, and the independent metal shell and the shell limit a shielding space, to place the first DC/DC
Converter and the 2nd DC/DC converter.
9. K as claimed in claim 7 sings system, which is characterized in that the space of the second area is divided into three layers, and first layer is used
To place the digital audio care, the second layer is to place the effect device, and third layer is to place the program request mainboard and described
Hard disk, wherein separated between the second layer and the third layer using metal plate, so as to the metal plate and the shell
Form two independent shielding spaces up and down.
10. K as described in claim 1 sings system, which is characterized in that further include controlling terminal, the controlling terminal with it is described
Karaoke all-in-one machine carries out wireless communication, mode instruction of the controlling terminal to receive user, and by the mode instruction
The controller being sent in the Karaoke all-in-one machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450774.4U CN209029095U (en) | 2018-09-05 | 2018-09-05 | K sings system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821450774.4U CN209029095U (en) | 2018-09-05 | 2018-09-05 | K sings system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209029095U true CN209029095U (en) | 2019-06-25 |
Family
ID=66904368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821450774.4U Active CN209029095U (en) | 2018-09-05 | 2018-09-05 | K sings system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209029095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192188A (en) * | 2018-09-05 | 2019-01-11 | 厦门轻唱科技有限公司 | K sings system |
-
2018
- 2018-09-05 CN CN201821450774.4U patent/CN209029095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192188A (en) * | 2018-09-05 | 2019-01-11 | 厦门轻唱科技有限公司 | K sings system |
| CN109192188B (en) * | 2018-09-05 | 2024-04-23 | 厦门巨嗨科技有限公司 | K song system |
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